<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
<style>
    #close {
        width: 71px;
        height: 71px;
        background-color: #00a2ea;
        display: block;
    }
    #close i {
        width: 71px;
        height: 71px;
        display: block;
        background: url("close_cwtzx1.png");
        background-position: top center;
        background-repeat: no-repeat;
    }
</style>
<div id="close">
    <i></i>
</div>
</body>
</html>